Finding the Third Proportional to 19,705,536 and 31,379,760

Step by Step Solution

1. Step 1: Write the proportion equation
   19,705,536 : 31,379,760 = 31,379,760 : x
2. Step 2: Convert to fraction form
   19,705,536/31,379,760 = 31,379,760/x
3. Step 3: Cross multiply
   19,705,536x = 31,379,760 × 31,379,760
4. Step 4: Simplify right side
   19,705,536x = 984,689,337,657,600
5. Step 5: Solve for x
   x = 984,689,337,657,600/19,705,536
6. Step 6: Final answer
   x = 49,970,187.95